Local News John Mayer At Red Rocks July 16, 2013 / 5:56 PM MDT / CBS News Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips John Mayer at Red Rocks in 2013 (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips Visit the CBS4 Concert Connection section for upcoming concert listings. (credit: Michael Martin Photography/AEG Live) John Mayer performed at Red Rocks on July 16, 2013 with opener Phillip Phillips (credit: Michael Martin Photography/AEG Live)